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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $7,457,577 | $4,267,614 | $6,742,121 | $7,044,794 | $6,081,474 | $7,021,549 | $7,777,068 |
| Carbon electrodes, other than of a kind used for furnaces | $766,501 | $916,617 | $697,567 | $1,114,852 | $836,194 | $794,861 | $777,997 |
| Carbon brushes | $1,747,171 | $2,100,139 | $3,302,852 | $4,364,229 | $4,031,701 | $3,952,728 | $4,422,248 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $293,127 | $360,434 | $513,331 | $457,916 | $454,779 | $394,231 | $437,621 |
| Total | $10,264,376 | $7,644,804 | $11,255,871 | $12,981,791 | $11,404,148 | $12,163,369 | $13,414,934 |
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